java用程序实现求两个数组中相同元素的个数答:int[] oneArray = {30, 1, 9, 20, 11, 15, 41,25,52,8};int[] twoArray = {15, 7, 1, 30, 22, 13, 40,11,8,50};int count=0;boolean find;for(int i=0;i<oneArray.length;i++){ find=false;for(int j=0;j<twoArray.length;j++){ if(oneArray[i]==twoArray[j...
JAVA 遍历数组,统计数组中包含几个相同的元素???答:int[] num={1,3,2,8,5,1,1,1};String numstr = Arrays.toString(num);//把数组变成一个字符串[1, 3, 2, 8, 5, 5, 1, 1]Pattern rex = Pattern.compile("1");//创建正则表达之对象匹配"1"Matcher m = rex.matcher(numstr);// 匹配numstr字符串的匹配器 int count = 0;/...